[PATCH v5] powerpc/64s: support nospectre_v2 cmdline option

[Andrew Donnellan]

On 5/6/19 5:42 pm, Andrew Donnellan wrote:
> On 24/5/19 12:46 pm, Christopher M. Riedl wrote:
>> Add support for disabling the kernel implemented spectre v2 mitigation
>> (count cache flush on context switch) via the nospectre_v2 and
>> mitigations=off cmdline options.
>>
>> Suggested-by: Michael Ellerman <mpe at ellerman.id.au>
>> Signed-off-by: Christopher M. Riedl <cmr at informatik.wtf>
>> Reviewed-by: Andrew Donnellan <ajd at linux.ibm.com>
> 
> snowpatch is whinging about this breaking the build for some reason... 
> https://patchwork.ozlabs.org/patch/1104583/

Upon further inspection, it appears this was bogus, and now snowpatch is 
passing it happily.

-- 
Andrew Donnellan              OzLabs, ADL Canberra
ajd at linux.ibm.com             IBM Australia Limited